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Severity of run-off-crashes whether motorway hard shoulders are equipped with a guardrail or not
INRETS, France.
Number of Authors: 4
2001 (English)In: Proceedings of the conference Traffic Safety on Three Continents: International conference in Moscow, Russia, 19-21 September, 2001 / [ed] Asp, Kenneth, Linköping: Statens väg- och transportforskningsinstitut, 2001, Vol. 18A:2, 11- p.Conference paper, (Other academic)
Abstract [en]

On most French highways, hard shoulders are equipped with safety barriers to protect vehicles from running off the roadway. The research question is to determine if there would be a global safety gain to the user in systematically equipping all hard shoulders with safety barriers. The severity of run-off the road is measured and compared according to if they occur with a protected hard shoulder or a non-protected one, and in the latter case, whether what is off the road is at the same level, an embankment or a ditch. The data relates to five years of observation - 1996 to 2000. Results of the research indicate that the severity of run-off the road on hard shoulders is on average significantly higher in the absence of a safety barrier. Higher values of severity are connected with run-off the road in the presence of embankments or ditches. These results take into account the typology of the accident (number of vehicles involved, different impacts, type of vehicle involved) and of highway characteristics. Severity differences are large enough to be significant. It is concluded that systematic equipment of highway hard shoulders appears to be beneficial as a whole within the infrastructure and European traffic conditions, with a better control of run-off the road consequences.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2001. Vol. 18A:2, 11- p.
Series
VTI konferens, ISSN 1104-7267 ; 18A:2
Keyword [en]
Motorway, Hard shoulder, Guard rail, Severity, Impact study, Run off the road, Statistics, France
National Category
Infrastructure Engineering
Research subject
80 Road: Traffic safety and accidents, 82 Road: Geometric design and traffic safety
Identifiers
URN: urn:nbn:se:vti:diva-5074OAI: oai:DiVA.org:vti-5074DiVA: diva2:673904
Conference
Traffic Safety on Three Continents: International conference in Moscow, Russia, 19-21 September, 2001
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2015-09-21Bibliographically approved

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http://vti.diva-portal.org/smash/get/diva2:673699/FULLTEXT04.pdf
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf